CVE-2008-2931
HIGHCVSS 7.8/10EPSS 0.38%
Last modified
CVE-2008-2931 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
Description
The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | < 2.6.22 | — |
| Debian | Debian Linux | 4.0 | — |
| Novell | Suse Linux Enterprise Desktop | 10.0 | Sp1 |
| Novell | Suse Linux Enterprise Server | 10.0 | Sp1 |
| Opensuse | Opensuse | >= 10.3, <= 11.0 | — |
| Canonical | Ubuntu Linux | 6.06 | — |
| Canonical | Ubuntu Linux | 7.04 | — |
| Canonical | Ubuntu Linux | 7.10 | — |
| Canonical | Ubuntu Linux | 8.04 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/30982Broken Link
- http://secunia.com/advisories/31551Broken Link
- http://secunia.com/advisories/31614Broken Link
- http://secunia.com/advisories/32023Broken Link
- http://secunia.com/advisories/32759Broken Link
- http://www.debian.org/security/2008/dsa-1630Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2008/07/08/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2008/07/08/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/30126Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=454388Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43696Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/637-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/30982Broken Link
- http://secunia.com/advisories/31551Broken Link
- http://secunia.com/advisories/31614Broken Link
- http://secunia.com/advisories/32023Broken Link
- http://secunia.com/advisories/32759Broken Link
- http://www.debian.org/security/2008/dsa-1630Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2008/07/08/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2008/07/08/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/30126Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=454388Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43696Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/637-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2008-2931?
The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.
How severe is CVE-2008-2931?
CVE-2008-2931 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2008-2931?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2008-2931?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST